<?php
/**
 * Smarty plugin
 *
 * @package Smarty
 * @subpackage PluginsFunction
 */

/**
 * @ignore
 */
require_once(SMARTY_PLUGINS_DIR . 'shared.escape_special_chars.php');
/**
 * @ignore
 */
require_once(SMARTY_PLUGINS_DIR . 'shared.make_timestamp.php');

/**
 * Smarty {html_select_time} function plugin
 *
 * Type:     function<br>
 * Name:     html_select_time<br>
 * Purpose:  Prints the dropdowns for time selection
 *
 * @link http://www.smarty.net/manual/en/language.function.html.select.time.php {html_select_time}
 *          (Smarty online manual)
 * @author Roberto Berto <roberto@berto.net>
 * @author Monte Ohrt <monte AT ohrt DOT com>
 * @param array                    $params   parameters
 * @param Smarty_Internal_Template $template template object
 * @return string
 * @uses smarty_make_timestamp()
 */
function smarty_function_html_select_time($params, $template)
{
	$prefix = "Time_";
	$field_array = null;
	$field_separator = "\n";
	$option_separator = "\n";
	$time = null;

	$display_hours = true;
	$display_minutes = true;
	$display_seconds = true;
	$display_meridian = true;

	$hour_format = '%02d';
	$hour_value_format = '%02d';
	$minute_format = '%02d';
	$minute_value_format = '%02d';
	$second_format = '%02d';
	$second_value_format = '%02d';

	$hour_size = null;
	$minute_size = null;
	$second_size = null;
	$meridian_size = null;

	$all_empty = null;
	$hour_empty = null;
	$minute_empty = null;
	$second_empty = null;
	$meridian_empty = null;

	$all_id = null;
	$hour_id = null;
	$minute_id = null;
	$second_id = null;
	$meridian_id = null;

	$use_24_hours = true;
	$minute_interval = 1;
	$second_interval = 1;

	$extra_attrs = '';
	$all_extra = null;
	$hour_extra = null;
	$minute_extra = null;
	$second_extra = null;
	$meridian_extra = null;

	foreach ($params as $_key => $_value) {
		switch ($_key) {
			case 'time':
				if (!is_array($_value) && $_value !== null) {
					$time = smarty_make_timestamp($_value);
				}
				break;

			case 'prefix':
			case 'field_array':

			case 'field_separator':
			case 'option_separator':

			case 'all_extra':
			case 'hour_extra':
			case 'minute_extra':
			case 'second_extra':
			case 'meridian_extra':

			case 'all_empty':
			case 'hour_empty':
			case 'minute_empty':
			case 'second_empty':
			case 'meridian_empty':

			case 'all_id':
			case 'hour_id':
			case 'minute_id':
			case 'second_id':
			case 'meridian_id':

			case 'hour_format':
			case 'hour_value_format':
			case 'minute_format':
			case 'minute_value_format':
			case 'second_format':
			case 'second_value_format':
				$$_key = (string)$_value;
				break;

			case 'display_hours':
			case 'display_minutes':
			case 'display_seconds':
			case 'display_meridian':
			case 'use_24_hours':
				$$_key = (bool)$_value;
				break;

			case 'minute_interval':
			case 'second_interval':

			case 'hour_size':
			case 'minute_size':
			case 'second_size':
			case 'meridian_size':
				$$_key = (int)$_value;
				break;

			default:
				if (!is_array($_value)) {
					$extra_attrs .= ' ' . $_key . '="' . smarty_function_escape_special_chars($_value) . '"';
				} else {
					trigger_error("html_select_date: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
				}
				break;
		}
	}

	if (isset($params['time']) && is_array($params['time'])) {
		if (isset($params['time'][$prefix . 'Hour'])) {
			// $_REQUEST[$field_array] given
			foreach (array('H' => 'Hour',  'i' => 'Minute', 's' => 'Second') as $_elementKey => $_elementName) {
				$_variableName = '_' . strtolower($_elementName);
				$$_variableName = isset($params['time'][$prefix . $_elementName])
				? $params['time'][$prefix . $_elementName]
				: date($_elementKey);
			}
			$_meridian = isset($params['time'][$prefix . 'Meridian'])
			? (' ' . $params['time'][$prefix . 'Meridian'])
			: '';
			$time = strtotime( $_hour . ':' . $_minute . ':' . $_second . $_meridian );
			list($_hour, $_minute, $_second) = $time = explode('-', date('H-i-s', $time));
		} elseif (isset($params['time'][$field_array][$prefix . 'Hour'])) {
			// $_REQUEST given
			foreach (array('H' => 'Hour',  'i' => 'Minute', 's' => 'Second') as $_elementKey => $_elementName) {
				$_variableName = '_' . strtolower($_elementName);
				$$_variableName = isset($params['time'][$field_array][$prefix . $_elementName])
				? $params['time'][$field_array][$prefix . $_elementName]
				: date($_elementKey);
			}
			$_meridian = isset($params['time'][$field_array][$prefix . 'Meridian'])
			? (' ' . $params['time'][$field_array][$prefix . 'Meridian'])
			: '';
			$time = strtotime( $_hour . ':' . $_minute . ':' . $_second . $_meridian );
			list($_hour, $_minute, $_second) = $time = explode('-', date('H-i-s', $time));
		} else {
			// no date found, use NOW
			list($_year, $_month, $_day) = $time = explode('-', date('Y-m-d'));
		}
	} elseif ($time === null) {
		if (array_key_exists('time', $params)) {
			$_hour = $_minute = $_second = $time = null;
		} else {
			list($_hour, $_minute, $_second) = $time = explode('-', date('H-i-s'));
		}
	} else {
		list($_hour, $_minute, $_second) = $time = explode('-', date('H-i-s', $time));
	}

	// generate hour <select>
	if ($display_hours) {
		$_html_hours = '';
		$_extra = '';
		$_name = $field_array ? ($field_array . '[' . $prefix . 'Hour]') : ($prefix . 'Hour');
		if ($all_extra) {
			$_extra .= ' ' . $all_extra;
		}
		if ($hour_extra) {
			$_extra .= ' ' . $hour_extra;
		}

		$_html_hours = '<select name="' . $_name . '"';
		if ($hour_id !== null || $all_id !== null) {
			$_html_hours .= ' id="' . smarty_function_escape_special_chars(
			$hour_id !== null ? ( $hour_id ? $hour_id : $_name ) : ( $all_id ? ($all_id . $_name) : $_name )
			) . '"';
		}
		if ($hour_size) {
			$_html_hours .= ' size="' . $hour_size . '"';
		}
		$_html_hours .= $_extra . $extra_attrs . '>' . $option_separator;

		if (isset($hour_empty) || isset($all_empty)) {
			$_html_hours .= '<option value="">' . ( isset($hour_empty) ? $hour_empty : $all_empty ) . '</option>' . $option_separator;
		}

		$start = $use_24_hours ? 0 : 1;
		$end = $use_24_hours ? 23 : 12;
		for ($i=$start; $i <= $end; $i++) {
			$_val = sprintf('%02d', $i);
			$_text = $hour_format == '%02d' ? $_val : sprintf($hour_format, $i);
			$_value = $hour_value_format == '%02d' ? $_val : sprintf($hour_value_format, $i);

			if (!$use_24_hours) {
				$_hour12 = $_hour == 0
				? 12
				: ($_hour <= 12 ? $_hour : $_hour -12);
			}

			$selected = $_hour !== null ? ($use_24_hours ? $_hour == $_val : $_hour12 == $_val) : null;
			$_html_hours .= '<option value="' . $_value . '"'
			. ($selected ? ' selected="selected"' : '')
			. '>' . $_text . '</option>' . $option_separator;
		}

		$_html_hours .= '</select>';
	}

	// generate minute <select>
	if ($display_minutes) {
		$_html_minutes = '';
		$_extra = '';
		$_name = $field_array ? ($field_array . '[' . $prefix . 'Minute]') : ($prefix . 'Minute');
		if ($all_extra) {
			$_extra .= ' ' . $all_extra;
		}
		if ($minute_extra) {
			$_extra .= ' ' . $minute_extra;
		}

		$_html_minutes = '<select name="' . $_name . '"';
		if ($minute_id !== null || $all_id !== null) {
			$_html_minutes .= ' id="' . smarty_function_escape_special_chars(
			$minute_id !== null ? ( $minute_id ? $minute_id : $_name ) : ( $all_id ? ($all_id . $_name) : $_name )
			) . '"';
		}
		if ($minute_size) {
			$_html_minutes .= ' size="' . $minute_size . '"';
		}
		$_html_minutes .= $_extra . $extra_attrs . '>' . $option_separator;

		if (isset($minute_empty) || isset($all_empty)) {
			$_html_minutes .= '<option value="">' . ( isset($minute_empty) ? $minute_empty : $all_empty ) . '</option>' . $option_separator;
		}

		$selected = $_minute !== null ? ($_minute - $_minute % $minute_interval) : null;
		for ($i=0; $i <= 59; $i += $minute_interval) {
			$_val = sprintf('%02d', $i);
			$_text = $minute_format == '%02d' ? $_val : sprintf($minute_format, $i);
			$_value = $minute_value_format == '%02d' ? $_val : sprintf($minute_value_format, $i);
			$_html_minutes .= '<option value="' . $_value . '"'
			. ($selected === $i ? ' selected="selected"' : '')
			. '>' . $_text . '</option>' . $option_separator;
		}

		$_html_minutes .= '</select>';
	}

	// generate second <select>
	if ($display_seconds) {
		$_html_seconds = '';
		$_extra = '';
		$_name = $field_array ? ($field_array . '[' . $prefix . 'Second]') : ($prefix . 'Second');
		if ($all_extra) {
			$_extra .= ' ' . $all_extra;
		}
		if ($second_extra) {
			$_extra .= ' ' . $second_extra;
		}

		$_html_seconds = '<select name="' . $_name . '"';
		if ($second_id !== null || $all_id !== null) {
			$_html_seconds .= ' id="' . smarty_function_escape_special_chars(
			$second_id !== null ? ( $second_id ? $second_id : $_name ) : ( $all_id ? ($all_id . $_name) : $_name )
			) . '"';
		}
		if ($second_size) {
			$_html_seconds .= ' size="' . $second_size . '"';
		}
		$_html_seconds .= $_extra . $extra_attrs . '>' . $option_separator;

		if (isset($second_empty) || isset($all_empty)) {
			$_html_seconds .= '<option value="">' . ( isset($second_empty) ? $second_empty : $all_empty ) . '</option>' . $option_separator;
		}

		$selected = $_second !== null ? ($_second - $_second % $second_interval) : null;
		for ($i=0; $i <= 59; $i += $second_interval) {
			$_val = sprintf('%02d', $i);
			$_text = $second_format == '%02d' ? $_val : sprintf($second_format, $i);
			$_value = $second_value_format == '%02d' ? $_val : sprintf($second_value_format, $i);
			$_html_seconds .= '<option value="' . $_value . '"'
			. ($selected === $i ? ' selected="selected"' : '')
			. '>' . $_text . '</option>' . $option_separator;
		}

		$_html_seconds .= '</select>';
	}

	// generate meridian <select>
	if ($display_meridian && !$use_24_hours) {
		$_html_meridian = '';
		$_extra = '';
		$_name = $field_array ? ($field_array . '[' . $prefix . 'Meridian]') : ($prefix . 'Meridian');
		if ($all_extra) {
			$_extra .= ' ' . $all_extra;
		}
		if ($meridian_extra) {
			$_extra .= ' ' . $meridian_extra;
		}

		$_html_meridian = '<select name="' . $_name . '"';
		if ($meridian_id !== null || $all_id !== null) {
			$_html_meridian .= ' id="' . smarty_function_escape_special_chars(
			$meridian_id !== null ? ( $meridian_id ? $meridian_id : $_name ) : ( $all_id ? ($all_id . $_name) : $_name )
			) . '"';
		}
		if ($meridian_size) {
			$_html_meridian .= ' size="' . $meridian_size . '"';
		}
		$_html_meridian .= $_extra . $extra_attrs . '>' . $option_separator;

		if (isset($meridian_empty) || isset($all_empty)) {
			$_html_meridian .= '<option value="">' . ( isset($meridian_empty) ? $meridian_empty : $all_empty ) . '</option>' . $option_separator;
		}

		$_html_meridian .= '<option value="am"'. ($_hour < 12 ? ' selected="selected"' : '') .'>AM</option>' . $option_separator
		. '<option value="pm"'. ($_hour < 12 ? '' : ' selected="selected"') .'>PM</option>' . $option_separator
		. '</select>';
	}

	$_html = '';
	foreach (array('_html_hours', '_html_minutes', '_html_seconds', '_html_meridian') as $k) {
		if (isset($$k)) {
			if ($_html) {
				$_html .= $field_separator;
			}
			$_html .= $$k;
		}
	}

	return $_html;
}

?>